31916949696 has 98 divisors (see below), whose sum is σ = 94959494612. Its totient is φ = 10638967680.

The previous prime is 31916949689. The next prime is 31916949767. The reversal of 31916949696 is 69694961913.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 295390 + ... + 388701.

Almost surely, 2^31916949696 is an apocalyptic number.

31916949696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31916949696 is an abundant number, since it is smaller than the sum of its proper divisors (63042544916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31916949696 is an frugal number, since it uses more digits than its factorization.

31916949696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684121 (or 684096 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 63.

The spelling of 31916949696 in words is "thirty-one billion, nine hundred sixteen million, nine hundred forty-nine thousand, six hundred ninety-six".